If any item is required to be load bearing or exposed to unusual vibration, impact, or movement then please consider one of the options below:Option 1 - Level One (1) glass2 Safety Glass | Back side of glass2 is laminated with Clear Glass if item needs fabricated after being received.Option 2 - Level Two (2) glass2 Safety Glass | Back side of glass2 laminated with Clear Tempered Glass if receiving a final product ready for installation.